<!DOCTYPE html>  
<html lang="en">  
<head>  
    <meta charset="UTF-8">  
    <meta name="viewport" content="width=device-width, initial-scale=1.0">  
    <title>插入算法</title>
</head>  
<body>  
   <div>
   		<input type = "number" id = "inNum"></input>
   		<button onclick="inNum();">确定</buttion>
   		<button onclick="start();">开始排序</buttion>
   		<button onclick="startNum();">随机数排序</buttion>
   		<button onclick="clear();">清除数据</buttion>
   </div>
   <div id = "sort_div" style="margin-top: 20px"></div>
</body>  
<script src="index.js"></script>  
</html>